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/*
* Unix SMB/CIFS implementation.
* status reporting
* Copyright (C) Andrew Tridgell 1994-1998
* Copyright (C) James Peach 2005-2006
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "smbprofile.h"
#include "status_profile.h"
#include "conn_tdb.h"
#include "librpc/gen_ndr/open_files.h"
#include "status_json.h"
static void profile_separator(const char * title,
struct traverse_state *state)
{
char line[79 + 1];
char * end;
if (state->json_output) {
return;
}
snprintf(line, sizeof(line), "**** %s ", title);
for (end = line + strlen(line); end < &line[sizeof(line) -1]; ++end) {
*end = '*';
}
line[sizeof(line) - 1] = '\0';
d_printf("%s\n", line);
}
/*******************************************************************
dump the elements of the profile structure
******************************************************************/
bool status_profile_dump(bool verbose,
struct traverse_state *state)
{
struct profile_stats stats = {};
const char* latest_section = NULL;
if (!profile_setup(NULL, True)) {
fprintf(stderr,"Failed to initialise profile memory\n");
return False;
}
smbprofile_collect(&stats);
#define __PRINT_FIELD_LINE(name, _stats, field) do { \
uintmax_t val = (uintmax_t)stats.values._stats.field; \
if (!state->json_output) { \
d_printf("%-59s%20ju\n", \
name "_" #field ":", \
val); \
} else { \
add_profile_item_to_json(state, latest_section, name, #field, val); \
} \
} while(0);
#define SMBPROFILE_STATS_START
#define SMBPROFILE_STATS_SECTION_START(name, display) do { \
latest_section = display; \
profile_separator(display, state);\
} while(0);
#define SMBPROFILE_STATS_COUNT(name) do { \
__PRINT_FIELD_LINE(#name, name##_stats, count); \
} while(0);
#define SMBPROFILE_STATS_TIME(name) do { \
__PRINT_FIELD_LINE(#name, name##_stats, time); \
} while(0);
#define SMBPROFILE_STATS_BASIC(name) do { \
__PRINT_FIELD_LINE(#name, name##_stats, count); \
__PRINT_FIELD_LINE(#name, name##_stats, time); \
} while(0);
#define SMBPROFILE_STATS_BYTES(name) do { \
__PRINT_FIELD_LINE(#name, name##_stats, count); \
__PRINT_FIELD_LINE(#name, name##_stats, time); \
__PRINT_FIELD_LINE(#name, name##_stats, idle); \
__PRINT_FIELD_LINE(#name, name##_stats, bytes); \
} while(0);
#define SMBPROFILE_STATS_IOBYTES(name) do { \
__PRINT_FIELD_LINE(#name, name##_stats, count); \
__PRINT_FIELD_LINE(#name, name##_stats, time); \
__PRINT_FIELD_LINE(#name, name##_stats, idle); \
__PRINT_FIELD_LINE(#name, name##_stats, inbytes); \
__PRINT_FIELD_LINE(#name, name##_stats, outbytes); \
} while(0);
#define SMBPROFILE_STATS_SECTION_END
#define SMBPROFILE_STATS_END
SMBPROFILE_STATS_ALL_SECTIONS
#undef __PRINT_FIELD_LINE
#undef SMBPROFILE_STATS_START
#undef SMBPROFILE_STATS_SECTION_START
#undef SMBPROFILE_STATS_COUNT
#undef SMBPROFILE_STATS_TIME
#undef SMBPROFILE_STATS_BASIC
#undef SMBPROFILE_STATS_BYTES
#undef SMBPROFILE_STATS_IOBYTES
#undef SMBPROFILE_STATS_SECTION_END
#undef SMBPROFILE_STATS_END
return True;
}
/* Convert microseconds to milliseconds. */
#define usec_to_msec(s) ((s) / 1000)
/* Convert microseconds to seconds. */
#define usec_to_sec(s) ((s) / 1000000)
/* One second in microseconds. */
#define one_second_usec (1000000)
#define sample_interval_usec one_second_usec
#define percent_time(used, period) ((double)(used) / (double)(period) * 100.0 )
static uint64_t print_count_count_samples(
char *buf, const size_t buflen,
const char *name,
const struct smbprofile_stats_count * const current,
const struct smbprofile_stats_count * const last,
uint64_t delta_usec)
{
uint64_t step = current->count - last->count;
uint64_t count = 0;
if (step != 0) {
uint64_t delta_sec = usec_to_sec(delta_usec);
count++;
if (buf[0] == '\0') {
snprintf(buf, buflen,
"%-40s %ju/sec",
name, (uintmax_t)(step / delta_sec));
} else {
printf("%-40s %s %ju/sec\n",
buf, name, (uintmax_t)(step / delta_sec));
buf[0] = '\0';
}
}
return count;
}
static uint64_t print_basic_count_samples(
char *buf, const size_t buflen,
const char *name,
const struct smbprofile_stats_basic * const current,
const struct smbprofile_stats_basic * const last,
uint64_t delta_usec)
{
uint64_t step = current->count - last->count;
uint64_t spent = current->time - last->time;
uint64_t count = 0;
if (step != 0) {
uint64_t delta_sec = usec_to_sec(delta_usec);
count++;
if (buf[0] == '\0') {
snprintf(buf, buflen,
"%s %ju/sec (%.2f%%)",
name, (uintmax_t)(step / delta_sec),
percent_time(spent, delta_usec));
} else {
printf("%-40s %s %ju/sec (%.2f%%)\n",
buf, name, (uintmax_t)(step / delta_sec),
percent_time(spent, delta_usec));
buf[0] = '\0';
}
}
return count;
}
static uint64_t print_bytes_count_samples(
char *buf, const size_t buflen,
const char *name,
const struct smbprofile_stats_bytes * const current,
const struct smbprofile_stats_bytes * const last,
uint64_t delta_usec)
{
uint64_t step = current->count - last->count;
uint64_t spent = current->time - last->time;
uint64_t count = 0;
if (step != 0) {
uint64_t delta_sec = usec_to_sec(delta_usec);
count++;
if (buf[0] == '\0') {
snprintf(buf, buflen,
"%s %ju/sec (%.2f%%)",
name, (uintmax_t)(step / delta_sec),
percent_time(spent, delta_usec));
} else {
printf("%-40s %s %ju/sec (%.2f%%)\n",
buf, name, (uintmax_t)(step / delta_sec),
percent_time(spent, delta_usec));
buf[0] = '\0';
}
}
return count;
}
static uint64_t print_iobytes_count_samples(
char *buf, const size_t buflen,
const char *name,
const struct smbprofile_stats_iobytes * const current,
const struct smbprofile_stats_iobytes * const last,
uint64_t delta_usec)
{
uint64_t step = current->count - last->count;
uint64_t spent = current->time - last->time;
uint64_t count = 0;
if (step != 0) {
uint64_t delta_sec = usec_to_sec(delta_usec);
count++;
if (buf[0] == '\0') {
snprintf(buf, buflen,
"%s %ju/sec (%.2f%%)",
name, (uintmax_t)(step / delta_sec),
percent_time(spent, delta_usec));
} else {
printf("%-40s %s %ju/sec (%.2f%%)\n",
buf, name, (uintmax_t)(step / delta_sec),
percent_time(spent, delta_usec));
buf[0] = '\0';
}
}
return count;
}
static uint64_t print_count_samples(
const struct profile_stats * const current,
const struct profile_stats * const last,
uint64_t delta_usec)
{
uint64_t count = 0;
char buf[60] = { '\0', };
if (delta_usec == 0) {
return 0;
}
#define SMBPROFILE_STATS_START
#define SMBPROFILE_STATS_SECTION_START(name, display)
#define SMBPROFILE_STATS_COUNT(name) do { \
count += print_count_count_samples(buf, sizeof(buf), \
#name, \
¤t->values.name##_stats, \
&last->values.name##_stats, \
delta_usec); \
} while(0);
#define SMBPROFILE_STATS_TIME(name) do { \
} while(0);
#define SMBPROFILE_STATS_BASIC(name) do { \
count += print_basic_count_samples(buf, sizeof(buf), \
#name, \
¤t->values.name##_stats, \
&last->values.name##_stats, \
delta_usec); \
} while(0);
#define SMBPROFILE_STATS_BYTES(name) do { \
count += print_bytes_count_samples(buf, sizeof(buf), \
#name, \
¤t->values.name##_stats, \
&last->values.name##_stats, \
delta_usec); \
} while(0);
#define SMBPROFILE_STATS_IOBYTES(name) do { \
count += print_iobytes_count_samples(buf, sizeof(buf), \
#name, \
¤t->values.name##_stats, \
&last->values.name##_stats, \
delta_usec); \
} while(0);
#define SMBPROFILE_STATS_SECTION_END
#define SMBPROFILE_STATS_END
SMBPROFILE_STATS_ALL_SECTIONS
#undef SMBPROFILE_STATS_START
#undef SMBPROFILE_STATS_SECTION_START
#undef SMBPROFILE_STATS_COUNT
#undef SMBPROFILE_STATS_TIME
#undef SMBPROFILE_STATS_BASIC
#undef SMBPROFILE_STATS_BYTES
#undef SMBPROFILE_STATS_IOBYTES
#undef SMBPROFILE_STATS_SECTION_END
#undef SMBPROFILE_STATS_END
if (buf[0] != '\0') {
printf("%-40s\n", buf);
buf[0] = '\0';
}
return count;
}
static struct profile_stats sample_data[2];
static uint64_t sample_time[2];
bool status_profile_rates(bool verbose)
{
uint64_t remain_usec;
uint64_t next_usec;
uint64_t delta_usec;
int last = 0;
int current = 1;
int tmp;
if (verbose) {
fprintf(stderr, "Sampling stats at %d sec intervals\n",
usec_to_sec(sample_interval_usec));
}
if (!profile_setup(NULL, True)) {
fprintf(stderr,"Failed to initialise profile memory\n");
return False;
}
smbprofile_collect(&sample_data[last]);
for (;;) {
sample_time[current] = profile_timestamp();
next_usec = sample_time[current] + sample_interval_usec;
/* Take a sample. */
smbprofile_collect(&sample_data[current]);
/* Rate convert some values and print results. */
delta_usec = sample_time[current] - sample_time[last];
if (print_count_samples(&sample_data[current],
&sample_data[last], delta_usec)) {
printf("\n");
}
/* Swap sampling buffers. */
tmp = last;
last = current;
current = tmp;
/* Delay until next sample time. */
remain_usec = next_usec - profile_timestamp();
if (remain_usec > sample_interval_usec) {
fprintf(stderr, "eek! falling behind sampling rate!\n");
} else {
if (verbose) {
fprintf(stderr,
"delaying for %lu msec\n",
(unsigned long )usec_to_msec(remain_usec));
}
usleep(remain_usec);
}
}
return True;
}
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